[GOOD] BUILD 0.1.0.450 DATE 8/29/2011 AT 10:30 AM

====================================================
+ Changed 'align 0x4' line above multiboot header in loader.asm to
'align 4'
+ Removed -e option for echo in build.sh
+ Modified build.sh for linux
+ Fixed triple fault when enabling paging
+ Fixed page faults at memory manager initialization
+ Fixed 'mem' console function
+ Added more info about page fault at crash screen
+ Added Panic() macro
+ Added verbose mode for memory manager

[ BAD] BUILD 0.1.0.390 DATE 8/27/2011 AT 10:54 PM
====================================================
+ Added stdlib routines, separated in different files
+ Rewritten physical memory manager
+ Added virtual mem manager
+ Added memory allocation/freeing
+ Added memory library
+ Added temporary allocation (at end of kernel), until paging is started
- Removed functionality from debug console function 'mem'
- Removed system.h, the one remaining function now in stdio.h
This commit is contained in:
2021-09-14 18:48:57 +03:00
parent b6ddeca1c3
commit 913e65b856
326 changed files with 6990 additions and 12229 deletions

13
Kernel/drivers/pit/pit.c Normal file
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#include <stdio.h>
#include <time.h>
#include "pit.h"
void PitSetFrequency(uint32 frequency)
{
uint32 divisor = 1193180 / frequency; // Calculate the divisor
outportb(0x43, 0x36); // Set our command byte 0x36
outportb(0x40, divisor & 0xff); // Set low byte
outportb(0x40, divisor>>8); // Set high byte
TimeSetInternalFrequency(frequency);
}

7
Kernel/drivers/pit/pit.h Normal file
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#ifndef __PIT__H
#define __PIT__H
extern void PitSetFrequency(uint32 frequency);
#endif